Type: Heavy Bomber
Origin: Dornier-Werke GmbH
Models: Do 13, Do 23F and Do 23G
First Flight:
    Do 13: February 13, 1933
    Do 13e: September 1, 1934
Service Delivery: Do 23F May 1935
Final Delivery: 1936
Total Production: 210

Powerplant:
   Model: BMW VId
   Type: 12-Cylinder water-cooled vee
   Numer: One      Horsepower: 750 hp

Do 23G:
   Model: BMW VIU
   Type: 12-Cyl. liquid-cooled vee
   Numer: One      Horsepower: 750 hp

Dimensions:
Wing span: 83 ft. 3 in. (25.50m)
Length: 61 ft. 8¼ in. (18.80m)
Height: 17 ft. 8½ in. (5.40m)
Wing Surface Area: N/A
  Weights: Do 23G
Empty: 12,346 lbs. (5600 kg.)
Maximum: 20,282 lbs. (9200 kg.)

Performance:
Maximum Speed: 161 mph (259 kph)
Service Ceiling: N/A
Maximum Range at 116 mph (187 kph):
    840 miles (1352 km)

Armament:
Three manually aimed 7.92mm MG 15 in nose, dorsal and ventral positions.

Payload:
2,205 lb (1000 kg.) of bombs internally.

The earlier Do 11 had exhibited several problems, so two initiatives were launched to address those shortcomings. The first resulted in the Do 13. The second effort was a more extensive rework which resulted in the Do 23. Several of the handling problems were thus corrected, but performance of the Do 23 was still considered mediocre, and it saw a limited service life, being phased out of front-line service by the late 1930s. It was replaced by aircraft such as the Heinkel He 111, but it did go on to serve and see action in World War II in the Czech branch of the Luftwaffe.

Sources:
Gunston, Bill & Wood, Tony - Hitler's Luftwaffe, 1977, Salamander Books Ltd., London
Donald, David - The Complete Encyclopedia Of World Aircraft, 1997, Brown Packaging Books Ltd., London

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